JPH0645492Y2 - クラムシェル用シリンダ回路 - Google Patents

クラムシェル用シリンダ回路

Info

Publication number
JPH0645492Y2
JPH0645492Y2 JP4977489U JP4977489U JPH0645492Y2 JP H0645492 Y2 JPH0645492 Y2 JP H0645492Y2 JP 4977489 U JP4977489 U JP 4977489U JP 4977489 U JP4977489 U JP 4977489U JP H0645492 Y2 JPH0645492 Y2 JP H0645492Y2
Authority
JP
Japan
Prior art keywords
cylinder
valve
bucket
circuit
clamshell
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
JP4977489U
Other languages
English (en)
Japanese (ja)
Other versions
JPH02139947U (fr
Inventor
悟 鳥居
Original Assignee
油谷重工株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 油谷重工株式会社 filed Critical 油谷重工株式会社
Priority to JP4977489U priority Critical patent/JPH0645492Y2/ja
Publication of JPH02139947U publication Critical patent/JPH02139947U/ja
Application granted granted Critical
Publication of JPH0645492Y2 publication Critical patent/JPH0645492Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Operation Control Of Excavators (AREA)
  • Fluid-Pressure Circuits (AREA)
JP4977489U 1989-04-26 1989-04-26 クラムシェル用シリンダ回路 Expired - Lifetime JPH0645492Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4977489U JPH0645492Y2 (ja) 1989-04-26 1989-04-26 クラムシェル用シリンダ回路

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4977489U JPH0645492Y2 (ja) 1989-04-26 1989-04-26 クラムシェル用シリンダ回路

Publications (2)

Publication Number Publication Date
JPH02139947U JPH02139947U (fr) 1990-11-22
JPH0645492Y2 true JPH0645492Y2 (ja) 1994-11-24

Family

ID=31567749

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4977489U Expired - Lifetime JPH0645492Y2 (ja) 1989-04-26 1989-04-26 クラムシェル用シリンダ回路

Country Status (1)

Country Link
JP (1) JPH0645492Y2 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4627280B2 (ja) * 2006-05-10 2011-02-09 株式会社小松製作所 油圧ショベルの油圧制御装置
JP5706840B2 (ja) * 2012-02-16 2015-04-22 日立建機株式会社 深掘掘削機の油圧回路

Also Published As

Publication number Publication date
JPH02139947U (fr) 1990-11-22

Similar Documents

Publication Publication Date Title
US7445240B2 (en) Drive device of hydraulic cylinder for working
GB2269425A (en) Hydraulic circuit
EP1584824B1 (fr) Circuit hydraulique d'un camion utilitaire
JP3846776B2 (ja) 作業機械におけるブームシリンダの油圧制御回路
JPH0645492Y2 (ja) クラムシェル用シリンダ回路
JP3410365B2 (ja) 破砕機等を使用可能な建設機械の油圧回路
JPH07248004A (ja) 作業機用油圧回路
JPS61294031A (ja) 掘削機の油圧回路
KR200155594Y1 (ko) 건설 중장비용 붐의 2단계 위치 제어장치
JP3037677B1 (ja) 作業用機械の油圧制御回路
JP3170874B2 (ja) 建設機械の油圧回路
JP3869281B2 (ja) 流体圧回路
JP2725054B2 (ja) アウトリガ回路
JP2613459B2 (ja) 建設機械の作業機用リリーフ回路
JPH0442368Y2 (fr)
JPH0728212Y2 (ja) 作業車両の振動抑制回路
JPH086836Y2 (ja) 油圧式掘削機における側方姿勢安定装置
WO2023188593A1 (fr) Engin de chantier
JPH11125207A (ja) 複数アクチュエータの油圧回路構成及びこの油圧回路を備えた掘削アタッチメント
JPH0245315Y2 (fr)
JPH0860710A (ja) 油圧式建設機械の油圧回路
JP3707935B2 (ja) 油圧ショベルのブームシリンダ用油圧回路
JP2549984Y2 (ja) 旋回用駐車ブレーキ回路
JP2665945B2 (ja) 油圧切換弁
JP3023449B2 (ja) 作業機の操作速度切換装置